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0580/32 May/Jun 2026, Question 16: Probability from Tables and Charts

Cambridge IGCSE Mathematics 0580 · Paper 32 (Core) · Calculator · 4 marks

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The question, in short

A team has win probability 0.4. For 20 matches find expected wins, and complete a win/lose/draw probability table where losing is three times drawing.

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Part (a) · 1 mark

Calculate the expected number of wins when the team plays 20 matches with win probability 0.4.

  1. 1Expected wins = 20 × 0.4
  2. 2= 8

Answer8

Part (b) · 3 marks

Complete the probability table given win 0.4 and that losing is three times as likely as drawing.

  1. 1P(lose) + P(draw) = 1 − 0.4 = 0.6
  2. 2lose : draw = 3 : 1, so 0.6 ÷ 4 = 0.15
  3. 3P(draw) = 0.15
  4. 4P(lose) = 3 × 0.15 = 0.45

Answerlose 0.45, draw 0.15

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Also searched as: 0580/32/M/J/26 · 0580_s26_qp_32 · 0580 s26 32 · question 16.
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